E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 15/00 (2006.01) E21B 15/04 (2006.01)
Patent
CA 2703803
A land rig comprising a mast (11), a substructure (40) beneath the mast (11), the substructure (40) having a top part (43), movement apparatus (50) connect able to the substructure (40), and the mast (11), the movement apparatus (50) for moving the mast (11) and for moving the top part (43) of the substructure (40).
L'invention porte sur une installation de forage terrestre comprenant un mât (11), une infrastructure (40) en dessous du mât (11), l'infrastructure (40) comportant une partie supérieure (43), un dispositif de déplacement (50) pouvant être relié à l'infrastructure (40) et au mât (11), le dispositif de déplacement (50) servant à déplacer le mât (11) et à déplacer la partie supérieure (43) de l'infrastructure(40).
Lee Douglas Wayne
Mccoo Marcus Sherwin
Mcfadden Fincham
National Oilwell Varco L.p.
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